*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #141414;
  --bg-deep: #0f0f0f;
  --border: #2d2d2d;
  --accent: #c9a84c;
  --accent-warm: #d4af37;
  --text-primary: #f0f0f0;
  --text-secondary: #888888;
  --text-muted: #555555;
  --success: #4caf50;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-logo {
  display: flex;
  align-items: center;
  color: var(--accent);
  letter-spacing: 3px;
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.nav-cta {
  padding: 8px 20px;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  border-radius: 2px;
  transition: all 0.15s;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-primary) !important;
}

/* Hero */
.hero {
  padding: 80px 48px 64px;
  display: flex;
  align-items: center;
  gap: 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  flex: 1;
}

.hero-label {
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.hero-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-animation {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 1px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-warm);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* How It Works */
.how-it-works {
  padding: 56px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.section-label {
  text-align: center;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 32px;
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.step {
  text-align: center;
  flex: 1;
  opacity: 0;
  transform: translateY(20px);
}

.step-number {
  width: 52px;
  height: 52px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 12px;
}

.step-title {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 4px;
}

.step-desc {
  color: var(--text-muted);
  font-size: 11px;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.step-connector::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.6s;
}

.step-connector.active::after {
  width: 100%;
}

/* Stats */
.stats {
  display: flex;
  justify-content: center;
  gap: 80px;
  padding: 48px;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 36px;
  font-weight: bold;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-top: 6px;
}

/* Services Cards */
.services-section {
  padding: 56px 48px;
  border-top: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  opacity: 0;
  transform: translateY(30px);
}

.service-card-icon {
  color: var(--accent);
  font-size: 22px;
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.service-card-title {
  color: var(--text-primary);
  font-weight: bold;
  font-size: 15px;
  margin-bottom: 10px;
}

.service-card-desc {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 14px;
}

.service-card-spec {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

/* Page Header */
.page-header {
  padding: 56px 48px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-header-label {
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 10px;
}

.page-header-title {
  font-size: 32px;
  font-weight: bold;
  color: var(--text-primary);
}

.page-header-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 8px;
}

/* Service Detail Blocks */
.service-block {
  margin: 0 auto 20px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  max-width: 1104px;
  width: calc(100% - 96px);
}

.service-block-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.service-block-number {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.service-block-title {
  color: var(--text-primary);
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 12px;
}

.service-block-desc {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
  max-width: 600px;
}

.service-block-animation {
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 180px;
  height: 180px;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.service-block-specs {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 32px;
}

.spec-item-label {
  color: var(--text-secondary);
  font-size: 10px;
  letter-spacing: 1px;
}

.spec-item-value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  margin-top: 4px;
}

/* Materials Matrix */
.materials-section {
  margin: 32px auto;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  max-width: 1104px;
  width: calc(100% - 96px);
}

.materials-title {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.materials-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.materials-table th {
  text-align: center;
  padding: 10px;
  color: var(--text-secondary);
  font-weight: normal;
  font-size: 10px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}

.materials-table th:first-child {
  text-align: left;
}

.materials-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
}

.materials-table td:first-child {
  text-align: left;
  color: var(--text-primary);
}

.materials-table tr:last-child td {
  border-bottom: none;
}

.materials-table tr.highlight td {
  color: var(--accent);
}

.materials-table tr.highlight td:first-child {
  color: var(--accent);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 0 48px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 15, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-title {
  color: var(--text-primary);
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 4px;
}

.gallery-overlay-meta {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Contact Form */
.form-container {
  max-width: 580px;
  margin: 0 auto;
  padding: 0 48px 48px;
}

.form-progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  align-items: center;
  padding: 20px 0 40px;
}

.form-progress-step {
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-progress-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: bold;
}

.form-progress-num.active {
  background: var(--accent);
  color: var(--bg-primary);
}

.form-progress-num.inactive {
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.form-progress-label {
  font-size: 11px;
  letter-spacing: 1px;
}

.form-progress-label.active {
  color: var(--accent);
}

.form-progress-label.inactive {
  color: var(--text-muted);
}

.form-progress-line {
  width: 40px;
  height: 1px;
  background: var(--border);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  background: var(--bg-deep);
  transition: border-color 0.2s;
  cursor: pointer;
  margin-bottom: 20px;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
}

.upload-zone-icon {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 10px;
}

.upload-zone-title {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 4px;
}

.upload-zone-subtitle {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 14px;
}

.upload-zone-formats {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  font-family: var(--font-mono);
}

.upload-file-display {
  display: none;
  padding: 12px 16px;
  background: var(--bg-deep);
  border: 1px solid var(--accent);
  border-radius: 4px;
  margin-bottom: 20px;
  align-items: center;
  justify-content: space-between;
}

.upload-file-display.visible {
  display: flex;
}

.upload-file-name {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.upload-file-remove {
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
}

.upload-file-remove:hover {
  color: var(--accent);
}

/* Form divider */
.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.form-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.form-divider-text {
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 2px;
}

/* Checkbox */
.form-checkbox {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  margin-bottom: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-checkbox:hover {
  border-color: var(--accent);
}

.form-checkbox-box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-checkbox-box.checked {
  background: var(--accent);
}

.form-checkbox-title {
  color: var(--text-primary);
  font-size: 13px;
  font-weight: bold;
}

.form-checkbox-desc {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 2px;
}

/* Form inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  color: var(--text-secondary);
  font-size: 10px;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-input-small {
  width: 100px;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
}

/* Footer */
.footer {
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 11px;
}

.footer-mono {
  font-family: var(--font-mono);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
  .hero {
    padding: 48px 32px;
    gap: 32px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .stats {
    gap: 40px;
  }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
  .nav {
    padding: 12px 16px;
    gap: 12px;
  }

  .nav-logo img {
    height: 28px !important;
  }

  .nav-links {
    gap: 12px;
    font-size: 10px;
  }

  .nav-links a {
    font-size: 10px;
  }

  .nav-cta {
    padding: 6px 12px !important;
    font-size: 9px !important;
  }

  .hero {
    flex-direction: column;
    padding: 32px 20px;
    gap: 24px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 13px;
  }

  .hero-animation {
    min-height: 260px;
    width: 100%;
  }

  .how-it-works {
    padding: 36px 20px;
  }

  .steps {
    flex-direction: column;
    gap: 16px;
  }

  .step-connector {
    width: 2px;
    height: 24px;
    margin: 0 auto;
  }

  .step-connector::after {
    width: 100% !important;
    height: 0;
  }

  .stats {
    flex-direction: column;
    gap: 20px;
    padding: 32px 20px;
  }

  .stat-value {
    font-size: 28px;
  }

  .services-section {
    padding: 36px 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 36px 20px 20px;
  }

  .page-header-title {
    font-size: 24px;
  }

  .service-block {
    width: calc(100% - 40px);
    padding: 20px;
  }

  .service-block-header {
    flex-direction: column;
  }

  .service-block-animation {
    width: 100%;
    min-width: unset;
    height: 160px;
  }

  .service-block-desc {
    max-width: 100%;
  }

  .service-block-specs {
    flex-wrap: wrap;
    gap: 16px;
  }

  .materials-section {
    width: calc(100% - 40px);
    padding: 20px;
  }

  .materials-table {
    font-size: 11px;
  }

  .materials-table th,
  .materials-table td {
    padding: 8px 4px;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 0 20px 32px;
  }

  .form-container {
    padding: 0 20px 32px;
  }

  .form-progress {
    gap: 4px;
    padding: 16px 0 28px;
  }

  .form-progress-line {
    width: 24px;
  }

  .upload-zone {
    padding: 24px 16px;
  }

  .footer {
    padding: 20px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 11px;
  }
}

/* Mobile Nav Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--accent);
  transition: all 0.2s;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 600px) {
  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 220px;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 72px 28px 28px;
    gap: 24px;
    transition: right 0.25s;
    z-index: 150;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 13px;
  }

  .nav-cta {
    text-align: center;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 140;
  }

  .nav-overlay.open {
    display: block;
  }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 22px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    gap: 16px;
  }

  .form-progress-label {
    display: none;
  }
}